Description
Inverted flare connections are the standard in high-performance fuel and brake systems because they create a secure, leak-free seal under pressure and vibration. This 4-pack of Allstar Performance unions gives you reliable adapter fittings for multiple system configurations, eliminating the need to source individual pieces from different suppliers. Whether you’re plumbing a custom fuel delivery system or rebuilding brake lines, brass construction and precision machining ensure consistent performance across your build.
- Inverted flare union
- Brass construction
- 3/8″ line compatible
- 5/8-18 female threads
- Straight configuration
- Quantity: 4 fittings
- Dual female ports
- Natural finish
- Allstar Performance MPN ALL50133






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